Stamina Products 65-2300 Manual De Usuario

A variation can include pausing halfway down and then lowering yourself into a full pushup 

before coming back up to starting position.

A variation can include a twist at the top of the sit up to work your obliques.  Or, try coming 

up half way, hold then finish the sit up for one repetition.  

A variation can include pausing halfway down and then lowering yourself down into a full 

tricep dip before coming back up into the starting position.